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Finding the Fourth Proportional to 136,817.62, 205,227.11 and 61,849.98

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Solution

The fourth proportional to 136,817.62, 205,227.11 and 61,849.98 is: 92,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,817.62 : 205,227.11 = 61,849.98 : x
  2. Step 2: Convert to fraction form
    136,817.62/205,227.11 = 61,849.98/x
  3. Step 3: Cross multiply
    136,817.62x = 205,227.11 × 61,849.98
  4. Step 4: Simplify right side
    136,817.62x = 12,693,292,803.58
  5. Step 5: Solve for x
    x = 12,693,292,803.58/136,817.62
  6. Step 6: Final answer
    x = 92,775.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.